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Knight's Mechanical Encyclopedia (ed. Knight), A. (search)
ksilver. On the upper end of a vertical stationary cylinder is fitted a short cylinder, which is made to turn therein, the same being provided with a screen or hopper. Below the stationary cylinder is a pan in which stirrers are made to operate. Communicating with the main cylinder, by means of a tube placed a little below the screen in the upper cylinder, is a furnace or still for distilling the quicksilver which falls with the calcined particles of ore through the stationary cylinder. day, September 26, 1865. The retort is set in a furnace A, and delivers fumes of mercury into the vertical tube D. The pulverized ore from the hopper C is delivered by a feed-wheel in graduated quantities, and falls the length of the tube, at the lower end of which it is delivered by a discharge-wheel, so that the fumes may not escape. The length of the tube may be such as is found sufficient for the purpose, and the respective wheels E F are connected by a driving-chain. The particles of th